Cita APA (7a ed.)

O'Callaghan, P. (2014). God Ahead of Us: The Story of Divine Grace. Project Muse.

Cita Chicago Style (17a ed.)

O'Callaghan, Paul. God Ahead of Us: The Story of Divine Grace. Baltimore, Md.: Project Muse, 2014.

Cita MLA (8a ed.)

O'Callaghan, Paul. God Ahead of Us: The Story of Divine Grace. Project Muse, 2014.